填空题

（）购买力；（）商业风险

【参考答案】

K；C
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单项选择题
When are the Hall Markets open（）

A．The first Sunday of each month.
B．Every day from 10 am to 3 pm.
C．The first day of each month.
D．Every weekend in winter.
填空题
What should applicants be able to do They should be able to （）the equipment needed for the duties.
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